<script setup>
import { ref, onMounted } from "vue";
import {
  queryPageApi,
  addApi,
  queryByIdApi,
  updateApi,
  deleteApi,
} from "@/api/role";
import { ElMessage, ElMessageBox } from "element-plus";
import { Search, Refresh, Plus, Edit, Delete } from "@element-plus/icons-vue";

const queryParams = ref({
  name: "",
  label: "",
  page: 1,
  pageSize: 10,
});

// 搜索
const search = async () => {
  try {
    const result = await queryPageApi(queryParams.value);
    if (result.code === 1) {
      roleList.value = result.data.rows;
      total.value = result.data.total;
    } else {
      ElMessage.error(result.msg || "查询失败");
    }
  } catch (error) {
    ElMessage.error("查询失败");
  }
};

// 清空
const clear = () => {
  queryParams.value.name = "";
  queryParams.value.label = "";
  queryParams.value.page = 1;
  queryParams.value.pageSize = 10;
  search();
};

const roleList = ref([]);
const total = ref(0);

// 分页大小改变
const handleSizeChange = (val) => {
  queryParams.value.pageSize = val;
  search();
};

// 页码改变
const handleCurrentChange = (val) => {
  queryParams.value.page = val;
  search();
};

// 对话框相关
const formTitle = ref("");
const dialogFormVisible = ref(false);
const formLabelWidth = "100px";
const role = ref({
  name: "",
  label: "",
});

// 表单校验规则
const roleFormRef = ref(null);
const rules = ref({
  name: [
    { required: true, message: "角色名称不能为空", trigger: "blur" },
    {
      min: 2,
      max: 20,
      message: "角色名称长度在2-20个字符之间",
      trigger: "blur",
    },
  ],
  label: [
    { required: true, message: "角色标识不能为空", trigger: "blur" },
    {
      min: 2,
      max: 30,
      message: "角色标识长度在2-30个字符之间",
      trigger: "blur",
    },
  ],
});

// 添加角色
const handleAdd = () => {
  dialogFormVisible.value = true;
  formTitle.value = "添加角色";
  role.value = { name: "", label: "" };

  if (roleFormRef.value) {
    roleFormRef.value.resetFields();
  }
};

// 保存角色
const save = async () => {
  roleFormRef.value.validate(async (valid) => {
    if (valid) {
      try {
        let result;
        if (role.value.id) {
          // 修改
          result = await updateApi(role.value);
        } else {
          // 添加
          result = await addApi(role.value);
        }

        if (result.code === 1) {
          ElMessage.success("保存成功");
          dialogFormVisible.value = false;
          search();
        } else {
          ElMessage.error(result.msg || "保存失败");
        }
      } catch (error) {
        ElMessage.error("保存失败");
      }
    } else {
      ElMessage.error("请按照提示进行操作");
    }
  });
};

// 编辑角色
const handleEdit = async (id) => {
  try {
    const result = await queryByIdApi(id);
    if (result.code === 1) {
      dialogFormVisible.value = true;
      formTitle.value = "修改角色";
      role.value = result.data;

      if (roleFormRef.value) {
        roleFormRef.value.resetFields();
      }
    } else {
      ElMessage.error(result.msg || "获取角色信息失败");
    }
  } catch (error) {
    ElMessage.error("获取角色信息失败");
  }
};

// 删除角色
const handleDelete = async (id) => {
  try {
    await ElMessageBox.confirm("确定要删除该角色吗？", "提示", {
      confirmButtonText: "确定",
      cancelButtonText: "取消",
      type: "warning",
    });

    const result = await deleteApi(id);
    if (result.code === 1) {
      ElMessage.success("删除成功");
      search();
    } else {
      ElMessage.error(result.msg || "删除失败");
    }
  } catch (error) {
    if (error !== "cancel") {
      ElMessage.error("删除失败");
    }
  }
};

onMounted(() => {
  search();
});
</script>

<template>
  <div class="role">
    <!-- 搜索区域 -->
    <el-form
      :inline="true"
      :model="queryParams"
      ref="queryForm"
      class="search-form"
    >
      <el-form-item label="角色名称">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入角色名称"
          clearable
        />
      </el-form-item>
      <el-form-item label="角色标签">
        <el-input
          v-model="queryParams.label"
          placeholder="请输入角色标签"
          clearable
        />
      </el-form-item>
      <el-form-item class="search-buttons">
        <el-button type="primary" @click="search">
          <el-icon><Search /></el-icon>搜索
        </el-button>
        <el-button @click="clear">
          <el-icon><Refresh /></el-icon>清空
        </el-button>
      </el-form-item>
    </el-form>

    <!-- 操作按钮区域 -->
    <div class="operation-area">
      <el-button type="primary" @click="handleAdd">
        <el-icon><Plus /></el-icon>添加角色
      </el-button>
    </div>

    <!-- 表格区域 -->
    <el-table :data="roleList" style="width: 100%" border>
      <el-table-column type="index" label="序号" width="100" align="center" />
      <el-table-column
        prop="name"
        label="角色名称"
        width="250"
        align="center"
      />
      <el-table-column
        prop="label"
        label="角色标识"
        width="250"
        align="center"
      />
      <el-table-column
        prop="updateTime"
        label="最后修改时间"
        width="350"
        align="center"
      />
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button type="primary" link @click="handleEdit(scope.row.id)">
            <el-icon><Edit /></el-icon>修改
          </el-button>
          <el-button type="danger" link @click="handleDelete(scope.row.id)">
            <el-icon><Delete /></el-icon>删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页区域 -->
    <div class="pagination">
      <el-pagination
        v-model:current-page="queryParams.page"
        v-model:page-size="queryParams.pageSize"
        :page-sizes="[10, 20, 30, 40, 50]"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>

    <!-- 添加/编辑角色弹窗 -->
    <el-dialog v-model="dialogFormVisible" :title="formTitle" width="500">
      <el-form :model="role" :rules="rules" ref="roleFormRef">
        <el-form-item
          label="角色名称"
          :label-width="formLabelWidth"
          prop="name"
        >
          <el-input
            v-model="role.name"
            autocomplete="off"
            placeholder="请输入角色名称"
          />
        </el-form-item>
        <el-form-item
          label="角色标识"
          :label-width="formLabelWidth"
          prop="label"
        >
          <el-input
            v-model="role.label"
            autocomplete="off"
            placeholder="请输入角色标识"
          />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="dialogFormVisible = false">取消</el-button>
          <el-button type="primary" @click="save">确定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<style scoped>
.role {
  padding: 20px;
  background-color: #fff;
  min-height: 100%;
  border-radius: 8px;
}

.operation-area {
  margin: 20px 0;
}

.search-form {
  display: flex;
  align-items: center;
}

.search-form :deep(.el-form-item) {
  margin-right: 20px;
  min-width: 280px;
}

.search-buttons {
  margin-left: auto !important;
  min-width: auto !important;
}

.pagination {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
}

:deep(.el-button .el-icon) {
  margin-right: 4px;
}
</style>
